Dual Thresholds Method for Dynamic Bandwidth Allocation in EPON

We suggest a dual thresholds method for the dynamic bandwidth allocation in EPON. In the suggested method, a buffer in ONU has two thresholds and ONU generates a normal request and a greedy request based on the two thresholds. Also, OLT estimates the overall traffic load and grants the greedy reques...

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Veröffentlicht in:	IEICE Transactions on Communications 2008/02/01, Vol.E91.B(2), pp.585-588
1. Verfasser:	HAN, Man-Soo
Format:	Artikel
Sprache:	eng
Schlagworte:	Allocations Applied sciences Bandwidth Business and industry local networks Channels dynamic bandwidth allocation Dynamics Ethernet passive optical network Exact sciences and technology frame loss rate mean delay Networks and services in france and abroad Optical fiber communications Optical telecommunications Organization, operation and development plans Radiocommunications Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Teleprocessing networks. Isdn Teletraffic Thresholds Traffic engineering Traffic flow Upstream
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Beschreibung
Zusammenfassung:	We suggest a dual thresholds method for the dynamic bandwidth allocation in EPON. In the suggested method, a buffer in ONU has two thresholds and ONU generates a normal request and a greedy request based on the two thresholds. Also, OLT estimates the overall traffic load and grants the greedy request when estimated traffic is light. We study upstream channel resource wastage and show the suggested method decreases the upstream channel resource wastage. Using simulation, we validate the dual thresholds method is superior to the existing methods in the mean delay.
ISSN:	0916-8516 1745-1345 1745-1345
DOI:	10.1093/ietcom/e91-b.2.585